#Tropicalyear = 365.242190 #days (end 20th cen)
#Earth's axial tilt returns to same angle with respect to the #sun
Jewish calendar aligns tropical #year & lunar #7months over 19-year cycle with years that range from 353 to 385 days.
AM5785 will be a standard 354 days.
#RoshHashanah #timekeeping #analemma #astronomy
Analemma courtsey J. Fishburn (CC-BY-SA 3.0)
